John MacArthur

USA · 61 yrs · K=20 · Peak 2166 (Jul 2004)

Best performance: 2177 at 25th Annual Chicago Open(Best of 2016)

OCT26 Rating

1972

Live Rating

1972.0

Change

0.0

Games Played

How live ratings are calculated

Rating History · Classical

Loading chart…

Official classical rating by month

List	Rating	Change
Oct 2026	1972	0
Sep 2026	1972	0
Aug 2026	1972	0
Jul 2026	1972	0
Jun 2026	1972	0
May 2026	1972	0
Apr 2026	1972	0
Mar 2026	1972	0
Feb 2026	1972	0
Jan 2026	1972	0
Dec 2025	1972	0
Nov 2025	1972	0

Classical games since the October list

No rated standard games this rating periodsince the OCT26 list (Oct 1, 2026)

	Last played	Score	TPR
	Reykjavik Open 2024Mar 15, 2024 – Mar 21, 2024TPR 2024	5/9	2024

The live rating moves only when new rated games are played. Until then it matches the published rating.

Event timeline · Classical

18 events

Events before the current rating period show the performance, not a rating change.

Live events show the rating change; earlier events show the performance rating.

Reykjavik Open 20242024
Mar 2024Swissfederation source
Best of 2024Score 5/9Opp avg 1899Start 1962
50th Annual World Open - Under 2200—(2)
Jun – Jul 2022Swissfederation source
Score ½/2Opp avg 1616Start 1959
47th Annual World Open1839
Jul 2019Swissfederation source
Best of 2019Score 2½/7Opp avg 2032Start 1983
Sveins 10. minneturnering 20172098
Jun 2017Swissfederation source
Best of 2017Score 4½/9Opp avg 2141Start 1964
44th Annual World Open1832
Jun – Jul 2016Swissfederation source
#3 in 2016Score 2½/9Opp avg 2083Start 1989
Sveins 9. Minneturnering1915
Jun 2016Swissfederation source
#2 in 2016Score 4½/9Opp avg 1915Start 1989
25th Annual Chicago Open2177
May 2016Swissfederation source
Best of 2016Score 2/5Opp avg 2249Start 1989
14th Annual Manhattan Open—(1)
Aug 2015Swissfederation source
Score 0/1Opp avg 2029Start 1998
Sveins 7. minneturnering1963
Jun 2014Swissfederation source
Best of 2014Score 4/9Opp avg 2013Start 2002
44th Annual National Chess Congress—(1)
Nov – Dec 2013Swissfederation source
Score 1/3Opp avg 2026Start 2002
Svein’s 6th Memorial1958
Jun 2013Swissfederation source
Best of 2013Score 4/9Opp avg 2001Start 2013
5th Sveins Memorial Tournament1787
Jun 2012Swissfederation source
Best of 2012Score 3½/6Opp avg 1730Start 2035
Championnat de Paris Ile de France Open A (1800 à 2300)1937
Jul 2011Swissfederation source
#2 in 2011Score 4½/9Opp avg 1937Start 2076
Sveins 4. memorial1959
Jun 2011Swissfederation source
Best of 2011Score 5/9Opp avg 1959Start 2076
131st Annual NY State Championship1999
Sep 2009Swissfederation source
Best of 2009Score 2/5Opp avg 2192Start 2082
39th Annual National Chess Congress2131
Nov 2008Swissfederation source
Best of 2008Score 1½/3Opp avg 2131Start 2079
World Amateur Team—(0)
Feb 2008Swissfederation source
Score 1/1Start 2079
108th Annual US Open—(2)
Jul 2007Swissfederation source
Score 6/9Opp avg 2237Start 2088

Live ratings projected from the OCT26 published list · Not affiliated with FIDE